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require 'rubygems'
require 'net/http'
require 'open-uri'
require 'cgi'
require 'json'
def detect_language(request, translate_string)
google_api_key = ''
user_ip = URI.encode(request.env['REMOTE_ADDR'])
translate_string = URI.encode(translate_string)
url = "http://ajax.googleapis.com/ajax/services/language/detect?v=1.0&q=#{translate_string}&userip=#{user_ip}"
if google_api_key != ''
url += "&key=#{google_api_key}"
end
response = Net::HTTP.get_response(URI.parse(url))
result = JSON.parse(response.body)
result['responseData']['language']
end
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